<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>隔行变色</title>
    <!-- 项目运行过程中会插入这一行，所以不必添加 -->
    <!-- <script defer src="bundle.js"></script> -->
</head>

<body>
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
        <li>6</li>
        <li>7</li>
        <li>8</li>
        <li>9</li>
    </ul>
    <div id="box"></div>
    <hr/>
    <!-- 被vue控制的区域 -->
    <div id="app"></div>
</body>

</html>